Columbia Gulf Transmission Company

Second Revised Volume No. 1

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Effective Date: 05/02/2008, Docket: RP08-305-001, Status: Effective

Second Revised Sheet No. 241 Second Revised Sheet No. 241

Superseding: First Revised Sheet No. 241

GENERAL TERMS AND CONDITIONS (Continued)

26.9 Where Electronic Measurement is not utilized, the Transporter shall determine the temperature

of the gas by the continuous use of a recording thermometer. The daily average of the temperatures recorded

each day shall be deemed the gas temperature and shall be used in computing the volumes of gas for that day.

26.10 Testing and Correction of Metering Errors.

(a) The accuracy of all measuring equipment will be verified by its operator ("Operating Party")

at least once each year and if requested, in the presence of representatives of the other party ("Non-Operating

Party"); provided, however, that the Operating Party will not be required to verify the accuracy of the

equipment more than once in any thirty (30) day period. The costs of all regular testing will be borne solely

by the Operating Party.

(b) If the Non-Operating Party at any time desires a special (i.e., non-routine) test of any

measuring equipment, it will promptly notify the Operating Party, who will verify the accuracy of the equipment

within ten (10) business days, unless otherwise agreed to by the parties. Unless otherwise agreed to in

writing, the cost of any special testing, repair and calibration (including transportation and related expenses)

will be borne by the Non-Operating Party if the measurement equipment is found not to be in error such that

previous Recordings from the equipment must be corrected under the provisions of this section. If measuring

equipment is found to be in error, such that previous Recordings from the equipment must be corrected under this

Section, the costs of any special testing, repair and calibration (including transportation) will be borne by

the Operating Party, unless otherwise agreed to in writing.

(c) If, upon any regular or special testing, any measuring equipment is found to be in error, it

will immediately be repaired and adjusted by the Operating Party to record correctly. If (1) the total

measurement adjustment for the period of error is greater than 500 Dth and the total error is greater than 1% or

(2) the total measurement adjustment for the period of error is greater than 10,000 Dth, any quantities

previously recorded by the tested equipment will be corrected to zero error for any period of error which is

known definitely or agreed upon by the parties. If the period of error is not known definitely or agreed upon,

the correction will be for a period extending over one half of the time elapsed since the date of the last test.

(d) In the event any measuring equipment is out of service, or is determined to be registering

inaccurately and the error is not determinable by test, previous Recordings from such equipment, or the volumes

of gas or quantities of energy received or delivered through such equipment, will be estimated:

(1) by using the registration of any check meter or meters if installed and accurately

registering;

(2) in the absence of check meters, by correcting the error if the percentage of error is

ascertainable by calibration, special test or mathematical calculation;

(3) in the absence of check meters or the possibility of calibrations, by using Recordings

or quantities received or delivered through such equipment during periods under similar conditions when

the equipment was registering accurately; or

(4) as otherwise agreed by Transporter and Shipper.

The volumes of gas and quantities of energy, as determined in this Section 26.10(d) will be used in determining

the volumes of gas and quantities of energy received or delivered for any known or agreed upon applicable

period. In case the period is not known or agreed upon, the estimated receipts or deliveries will be used in

determining the quantity of gas received or delivered hereunder during the latter half of the period beginning

on the date of the immediately preceding test and ending on the date the measuring equipment has been adjusted

to record accurately. The Recordings of the measuring equipment during the first half of this period will be

considered accurate in computing receipts or deliveries.

(e) The provisions of this Section will take precedence in the event of a conflict with any

Agreement between Transporter and any other party regarding the testing and repair of measurement equipment.